[ 2189.570480][T12669] br0: port 1(dummy0) entered blocking state
[ 2189.570774][T12669] br0: port 1(dummy0) entered disabled state
[ 2189.570950][T12669] dummy0: entered allmulticast mode
[ 2189.572636][T12669] dummy0: entered promiscuous mode
[ 2189.604260][T12670] br0: port 1(dummy0) entered blocking state
[ 2189.604480][T12670] br0: port 1(dummy0) entered forwarding state
[ 2192.167457][   T70] dummy0: left allmulticast mode
[ 2192.167656][   T70] dummy0: left promiscuous mode
[ 2192.167893][   T70] br0: port 1(dummy0) entered disabled state